Scania R 540 B6x4, tractor unit (2021–2023) and Scania S 540 A6x4 side by side
Specification
Scania R 540 B6x4, tractor unit (2021–2023)
Scania S 540 A6x4
Vehicle form
Tractor unit (BC)Registered
Tractor unit (BC)Registered
Axle configuration
6×4Declared
6×4Declared
Registered new
2021–2023Registeredcentral 90% of records
2020–2022Registeredcentral 90% of records
Engine power
397 kWDeclared
397 kWDeclared
Engine displacement
12.7 litresDeclared
12.7 litresDeclared
Gearbox
automatedDeclared
automatedDeclared
Emission class
Not recorded
EURO VI DRegistered
Gross vehicle weight
28,000–36,000 kgDeclaredmedian 30,000 kg, across 11 declared configurations
35,000 kgRegistered
Kerb weight
Not recorded
10,684 kgRegistered
Wheelbase
Not recorded
4,900 mmRegistered
Overall length
Not recorded
7,110 mmRegistered
Overall height
Not recorded
4,000 mmRegistered
Declared fuel, long haul
37.3 l/100 km Declaredmedian; 36.7–39.3 l/100 km across 4 declared configurations
32.9 l/100 km Declaredmedian; 31–34.1 l/100 km across 4 declared configurations
CO₂ per tonne-km
50.53 g Declaredmedian; 49.7–53.3 g
44.65 g Declaredmedian; 42–46.3 g
Fuel and CO₂: long haul at 19.3 t, 2022 declarations.
What the numbers actually say
The Scania S 540 A6x4 declared 4.4 l/100 km less (13.3%) on the long haul at 19.3 t, 2022 declarations. At 120,000 km a year and an assumed £1.40 a litre, that is about 5,280 litres a year, or £7,392. A gap this size is outside the 10% tolerance of declared figures.
